| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 181175000 |
SOUND-MODIFYING MEANS
| 1293 |
| 181126000 |
ANATOMIC OR PROSTHETIC RELATION
| 96 |
| 181101000 |
GEOPHYSICAL OR SUBSURFACE EXPLORATION
| 95 |
| 181157000 |
DIAPHRAGM
| 71 |
| 181148000 |
DIAPHRAGM AND ENCLOSURE
| 59 |
| 181142000 |
WAVE GENERATION
| 16 |
| 181141000 |
COMBINED
| 12 |
| 181139000 |
WAVE GENERATION AND DETECTION | 5 |
| 20090236170 | OPTICAL AXIS ORIENTATION MEASURING DEVICE, OPTICAL AXIS ORIENTATION MEASURING METHOD, SPHERICAL SURFACE WAVE DEVICE MANUFACTURING DEVICE, AND SPHERICAL SURFACE WAVE DEVICE MANUFACTURING METHOD - The optical axis orientation measuring device according to the present invention is a reflective optical axis orientation measuring device for a spherical member made from a single crystal of an optically uniaxial crystal having birefringence, comprising: illuminating means for illuminating the spherical member through a polarizer; and isogyre observing means for observing the isogyre that is structured by the light that is reflected from the bottom surface of the spherical member and emitted from the spherical member through an analyzer that has a cross-nicol relationship with the polarizer. | 09-24-2009 |
| 20110209940 | SYSTEMS AND METHODS FOR CONTROLLING HIGHLY NONLINEAR ACOUSTIC WAVES OR PULSES - Systems and methods for creating sound bullets are described. Such sound bullets are created by controlling and/or redirecting highly nonlinear acoustic waves or pulses propagating through an array of actuators. The controlling and/or redirecting of the acoustic waves or pulses is achieved though methods such as applying pre-compressive forces to the array of actuators or by selection of size, shape and/or material of the actuators. | 09-01-2011 |
| 20110272207 | METHOD OF ACQUIRING VIBROSEISMIC DATA CONCERNING A ZONE OF THE SUBSOIL, AND SEISMIC EXPLORATION METHOD INCLUDING SUCH A METHOD - The invention concerns a method of acquiring vibroseismic data concerning a zone of the subsoil. This method comprises the following steps: —operating a vibroseismic source so that it transmits a first vibroseismic signal having a first amplitude ( | 11-10-2011 |
| 20120061173 | ACOUSTIC WAVE GENERATION DEVICE AND EQUIPMENT INCLUDING A PLURALITY OF SUCH DEVICES - Device for generating acoustic waves comprising an assembly of substantially parallel deformable walls, made of a conductive elastomer material, the series of walls delimiting contiguous spaces therebetween alternately leading over two opposite surfaces of said assembly into two cavities, that are sealed relative to one another; and a rigid revolving chamber containing the assembly and having two sealed cavities opposite two surfaces. Two circular screened slots formed in the chamber define two vents that ensure communication between the cavities and the external acoustic medium. Means are also provided for applying, in a controlled and variable manner, a set of electric potentials to the walls in order to induce an electric field between the walls, consecutively active, and inactive for a control polarity, and inactive and active for the opposite polarity, so as to decrease the space covered by the field, i.e. and in series, and to thus equally increase the contiguous space. | 03-15-2012 |
| 20120279795 | ACOUSTIC WAVE DEVICE - An acoustic wave device includes a piezoelectric substrate, a first wiring disposed on an upper surface of the piezoelectric substrate, an organic insulator covering at least a portion of the first wiring, a second wiring disposed on a first portion of the upper surface of the organic insulator, and an inorganic insulator covering at least a second portion of an upper surface of the organic insulator. The second portion of the upper surface of the organic insulator faces an oscillation space across the inorganic insulator. The acoustic wave device has preferable high-frequency characteristics and high long-term reliability. | 11-08-2012 |
| 181123000 |
ECHO SYSTEM | 5 |
| 20080283332 | METHOD AND SYSTEM FOR DETECTING AN ANOMALY AND DETERMINING ITS SIZE - A method for detecting an anomaly and measuring its size may include generating a wave signal into a structure being evaluated and collecting at least one of any front and back scattered wave data and any side scattered wave data caused by the wave signal impacting an anomaly. The method may also include processing the at least one front and back scattered wave data and side scattered wave data to measure a size, location, and shape of the anomaly. | 11-20-2008 |
| 20090032329 | IMAGING AN ANOMALY USING BACKSCATTERED WAVES - A method for generating an image of an anomaly may include generating a pulse wave into a structure being evaluated from each of a plurality of sensors and collecting any scattered wave data caused by the pulse wave impacting an anomaly. The scattered wave data may be collected by the same sensor that generated the pulse wave or by a different sensor. The method may also include identifying any backscattered wave data from a distal edge or border of any anomaly relative to a location of the sensor collecting the scattered wave data. The method may additionally include processing the backscattered wave data from each of the sensors collecting the scattered wave data to generate a two dimensional image of any anomaly. The method may further include presenting the two dimensional image of any anomaly. | 02-05-2009 |
| 20090308684 | ECHOLOCATION DEVICE - A device and method of using the device for the detection of objects within structures or environments of interest is disclosed which utilizes ultrasonic signals and echoes for said detection. | 12-17-2009 |
| 20100288578 | Hybrid level measurement system - A measurement instrument comprises a sensor circuit comprising a drive circuit for transmitting a pulse signal at a target of interest and a receive circuit receiving reflected echoes of the pulse signal and developing an analog signal representative of the reflected echoes. An analog processing circuit is operatively coupled to the sensor circuit for receiving the analog signal and comprising a gate for selectively transferring the analog signal to a comparator that compares the gated analog signal to a select threshold level to develop a data signal representative of location of the target of interest. A programmed digital processing circuit is operatively coupled to the sensor circuit and the analog processing circuit and comprises a measurement module to control the drive circuit and evaluate the data signal to determine material location. An echo processing module periodically evaluates a digital representation of the analog signal to determine an expected window time and expected amplitude of a reflected echo representing the target of interest and developing a gate control signal to control the gate based on expected window time and developing the select threshold level based on the expected amplitude. | 11-18-2010 |
| 20110139538 | Tracking Objects in Conduits - Methods and apparatus for tracking objects in conduits, especially for tracking the movement of a pig in a pipeline, are disclosed. Distributed acoustic sensing is used to obtain signal returns from a plurality of discrete longitudinal sensing portions of a fibre optic cable which is laid along the length of the conduit. The method involves detecting an acoustic signature corresponding to the object moving in the conduit. The acoustic signature may comprise a series of pressure pulses caused by the object traversing joints etc. in the conduit. Preferably the method involves detecting pressure waves caused by the object as it moves through the conduit. Detecting the characteristic pressure wave signal provides discrimination of the object from other acoustic disturbances. In pipeline applications a pig can be tracked in real time, if the pig stops moving an alert can be generated and the location of the pig will be known. | 06-16-2011 |
| 181030000 |
AUDITORIUM | 4 |
| 20090314574 | MOVABLE ACOUSTIC SHELL ASSEMBLY - A movable acoustic shell assembly comprises a ground-supported crane and an acoustic shell mounted on the ground-supported crane. The crane is configured to move in a self-propelled and self-directed manner between a storage position and an in-use position within a performing arts venue. When the crane is in the in-use position, the sound shell substantially encloses a rear portion of a stage within the performing arts venue. | 12-24-2009 |
| 20110024225 | SOUND SHELL - A performance shell for outdoor music performance comprises a platform providing a performance area for receiving at least one sound source, the platform combining unitarily with a rear wall reflectors, side wall reflector and a canopy reflector to define an enclosure having a front opening for communicating acoustically with an open air audience area. The canopy reflector comprises a main portion extending above the performance area and a projecting portion projecting forwardly of a front edge of the performance area, the canopy reflector further comprising sound diffusion formations on an underside of the main portion and the projecting portion and adapted to provide non-specular reflection of sound from the at least one sound source for enhancing sound received both in the performance area and the audience area. | 02-03-2011 |
| 20140174845 | SOUND LIMITING ACOUSTIC SHELL USING A HANGING ACOUSTIC CANOPY - A temporary building structure is provided. The temporary building structure includes a top wall and an opposing floor surface covered by the top wall. The top wall and the floor surface define a first building area and a second building area. The first building area includes a floor surface configured to receive a sound source. The structure further includes a portable sound limiting acoustic shell including an acoustic canopy covering at least a portion of the first building area in which the sound source is positioned. The acoustic canopy is positioned proximate the floor surface, such that the acoustic canopy concentrates sound generated by the sound source within the first building area and isolates the generated sound from the second building area. | 06-26-2014 |
| 20160145860 | ACOUSTIC SHELL FRAME AND SYSTEM - An acoustic shell system includes a frame comprising a first column, a second column, and a base. The first and second columns each comprise a circular portion with a channel along the length of the column where the circular portion is configured to attach to one or more panels. The circular portion is coupled to a noncircular portion opposite the channel having at least one channel along the length of the column and configured to attach to one or more components. The base comprises first and second arms coupled to opposing ends of a cross-support. Each of the arms is also coupled to one of the columns at about a ninety degree angle. The length of the cross-support is less than the distance between the first and second columns. | 05-26-2016 |
| 181144000 |
PLURAL DIAPHRAGM SOUND SOURCES | 3 |
| 20140353074 | VERTICAL LINE ARRAY LOUDSPEAKER MOUNTING AND ADJUSTMENT SYSTEM - The invention relates to a loudspeaker mounting and adjustment system and method for installing and operating a professional audio system used in a stadium, concert hall or the like. The system comprises a vertical array of loudspeaker cabinets that can be suspended from a ceiling and that enables the horizontal and vertical angle of the sound dispersion field to be adjusted remotely and/or automatically while the system is suspended. Each loudspeaker cabinet is connected to a vertically adjacent loudspeaker cabinet via a pair of levers located on either side of the cabinet that control the angle between adjacent loudspeaker cabinets. A linear actuator is connected to each lever for controlling the lever position. Each loudspeaker cabinet also comprises a waveguide with at least one actuator for modifying the waveguide angle and thus the horizontal angle of the sound dispersion field. | 12-04-2014 |
| 20090277712 | Acoustic energy projection system - The sound generating and transmitting apparatus is based on a radiator including at least a first, and possibly two or more, shaped reflecting surface(s) having a forward radiant axis. Each of the shaped reflecting surfaces defines sets of equivalent acoustic input locations, with each set being a ring of non-zero circumference centered on the forward radiant axis. The sound source is a distributed, functionally continuous sound source adapted to exploit this feature. In its preferred form the sound source is a sort of closed line array of loudspeakers providing a torodial shaped acoustic source to direct at the hyperbolic cone, the transducers being disposed in a circle with all of the loudspeakers oriented inwardly toward or outwardly from the forward radiant axis. | 11-12-2009 |
| 20130043089 | SPEAKER ENCLOSURE - A loudspeaker enclosure accommodates at least one speaker. Sound waves emanating from the rear of the speaker exit through a port in the enclosure. The interior of the enclosure contains at least one partition to lengthen the acoustic path from the rear of the speaker to the port and to cause alternating expansion and contraction of the sound waves emanating from the rear of the speaker. The partitions are arranged in relation to the speaker(s) so as to reduce sound wave reflections that would create non-linearities in the frequency response. | 02-21-2013 |
| 181140000 |
WITH VESSEL | 2 |
| 20090008184 | MARINE ACOUSTIC SENSOR ASSEMBLY - A marine acoustic sensor assembly includes an acoustic panel having a forward surface and an after surface, a laser scanner oriented so as to project a laser beam onto the acoustic panel after surface, and a sensor oriented so as to receive reflections of the laser beam off the acoustic panel and to transmit data from which a position of a sound generating source can be determined, wherein the acoustic panel is provided with an absorber layer extending over the after surface thereof, and the absorber layer is provided with holes extending therethrough, the holes being of a size sufficient to permit passage of the laser beams to the acoustic panel after surface and the reflections to pass to the sensor, whereby to minimize reflections and noise originating from aft of the after surface, while permitting sound incoming from forward of the acoustic panel to be measured. | 01-08-2009 |
| 20120234625 | ACOUSTIC TREATMENT VESSEL AND METHOD FOR ACOUSTIC TREATMENT - Methods and systems for acoustically treating material using a continuous process in which material may be caused to flow in a continuous or intermittent fashion into/out of an acoustic treatment chamber where the material is exposed to focused acoustic energy. The methods and systems may be arranged to permit continuous processing for extended periods while an acoustic energy source operates at a relatively high power output. Treatment chambers may include features such as an acoustic window and/or a chamber wall which may comprise an acoustically reflective material or a gas/wall interface that serves to reflect acoustic energy to form one or more secondary focal zones. Treatment system configurations relating to arrangements of a treatment chamber relative to an acoustic source and coupling medium, material flow paths, and others are provided. | 09-20-2012 |
| 181125000 |
SOUND LOCATION | 2 |
| 20110232989 | ESTIMATING A SOUND SOURCE LOCATION USING PARTICLE FILTERING - A sound source location is estimated by particle filtering where a set of particles represents a probability density function for a state variable comprising the sound source location. The method includes determining the weight for a particle in response to a correlation between estimated acoustic transfer functions from the sound source to at least two sound recording positions. A weight update function may specifically be determined deterministically from the correlation and thus the correlation may be used as a pseudo-likelihood function for the measurement function of the particle filtering. The acoustic transfer functions may be determined from an audio beamforming towards the sound source. The audio weight may be combined with a video weight to generate a multi-modal particle filtering approach. | 09-29-2011 |
| 20120267187 | System for targeting directed acoustical energy - A system for targeting directed acoustic energy comprises a directed acoustic energy source. The system provides for locating a target relative to the location for the directed acoustic energy source and for aiming the directed acoustic energy source relative to the target to account for at least the effects of wind drift on the sound field generated by the directed energy source. Further sources of atmospheric data may include wind direction and speed and temperature, both at surface levels and at altitude and at a plurality of location including the locations of the target, the directed acoustic energy source and intermediate points. | 10-25-2012 |
| 181000000 |
SPEAKING TUBES | 1 |
| 20160111079 | DEVICE FOR HEARING OWN VOICE - An apparatus for assisting a vocalist to hear the vocalist's own voice has a mixing chamber defining a first passage for communicating with an ear canal of a vocalist and an opening that is open to atmosphere. The mixing chamber includes a ball and socket joint having a passage in communication with the first passage. An ear piece is connected to the ball and socket joint and has a passage in communication with the first passage. A stabilizing ear retainer shaped to engage the outer ear of the vocalist is connected to the mixing chamber and mounts and retains the apparatus to the vocalist's ear. A voice tube is configured to extend from proximate a mouth of the vocalist and is connected to the mixing chamber. The voice tube defines a passage having an opening for collecting vocal sound from the vocalist an opening in communication with the first passage. | 04-21-2016 |
